parpen aprpen prapen rpapen arppen rappen papren appren pparen pparen appren papren prpaen rppaen ppraen ppraen rppaen prpaen arppen rappen aprpen parpen rpapen prapen parepn aprepn praepn rpaepn arpepn rapepn paerpn aperpn pearpn eparpn aeprpn eaprpn preapn rpeapn perapn eprapn repapn erpapn areppn raeppn aerppn earppn reappn erappn papern appern ppaern ppaern appern papern paeprn apeprn peaprn epaprn aepprn eapprn ppearn ppearn peparn epparn peparn epparn apeprn paeprn aepprn eapprn peaprn epaprn prpean rppean pprean pprean rppean prpean prepan rpepan perpan eprpan reppan erppan pperan pperan pepran eppran pepran eppran rpepan prepan reppan erppan perpan eprpan arpepn rapepn aprepn parepn rpaepn praepn areppn raeppn aerppn earppn reappn erappn aperpn paerpn aeprpn eaprpn pearpn eparpn rpeapn preapn repapn erpapn perapn eprapn parpne aprpne prapne rpapne arppne rappne paprne apprne pparne pparne apprne paprne prpane rppane pprane pprane rppane prpane arppne rappne aprpne parpne rpapne prapne parnpe aprnpe pranpe rpanpe arpnpe rapnpe panrpe apnrpe pnarpe nparpe anprpe naprpe prnape rpnape pnrape nprape rnpape nrpape arnppe ranppe anrppe narppe rnappe nrappe papnre appnre ppanre ppanre appnre papnre panpre apnpre pnapre npapre anppre nappre ppnare ppnare pnpare nppare pnpare nppare apnpre panpre anppre nappre pnapre npapre prpnae rppnae pprnae pprnae rppnae prpnae prnpae rpnpae pnrpae nprpae rnppae nrppae ppnrae ppnrae pnprae npprae pnprae npprae rpnpae prnpae rnppae nrppae pnrpae nprpae arpnpe rapnpe aprnpe parnpe rpanpe pranpe arnppe ranppe anrppe narppe rnappe nrappe apnrpe panrpe anprpe naprpe pnarpe nparpe rpnape prnape rnpape nrpape pnrape nprape parenp aprenp praenp rpaenp arpenp rapenp paernp apernp pearnp eparnp aeprnp eaprnp preanp rpeanp peranp epranp repanp erpanp arepnp raepnp aerpnp earpnp reapnp erapnp parnep aprnep pranep rpanep arpnep rapnep panrep apnrep pnarep nparep anprep naprep prnaep rpnaep pnraep npraep rnpaep nrpaep arnpep ranpep anrpep narpep rnapep nrapep paenrp apenrp peanrp epanrp aepnrp eapnrp panerp apnerp pnaerp npaerp anperp naperp penarp epnarp pnearp npearp enparp neparp aenprp eanprp aneprp naeprp enaprp neaprp prenap rpenap pernap eprnap repnap erpnap prneap rpneap pnreap npreap rnpeap nrpeap penrap epnrap pnerap nperap enprap neprap renpap ernpap rnepap nrepap enrpap nerpap arenpp raenpp aernpp earnpp reanpp eranpp arnepp ranepp anrepp narepp rnaepp nraepp aenrpp eanrpp anerpp naerpp enarpp nearpp renapp ernapp rneapp nreapp enrapp nerapp papenr appenr ppaenr ppaenr appenr papenr paepnr apepnr peapnr epapnr aeppnr eappnr ppeanr ppeanr pepanr eppanr pepanr eppanr apepnr paepnr aeppnr eappnr peapnr epapnr papner appner ppaner ppaner appner papner panper apnper pnaper npaper anpper napper ppnaer ppnaer pnpaer nppaer pnpaer nppaer apnper panper anpper napper pnaper npaper paenpr apenpr peanpr epanpr aepnpr eapnpr panepr apnepr pnaepr npaepr anpepr napepr penapr epnapr pneapr npeapr enpapr nepapr aenppr eanppr aneppr naeppr enappr neappr ppenar ppenar pepnar eppnar pepnar eppnar ppnear ppnear pnpear nppear pnpear nppear penpar epnpar pnepar npepar enppar neppar penpar epnpar pnepar npepar enppar neppar apenpr paenpr aepnpr eapnpr peanpr epanpr apnepr panepr anpepr napepr pnaepr npaepr aenppr eanppr aneppr naeppr enappr neappr penapr epnapr pneapr npeapr enpapr nepapr prpena rppena pprena pprena rppena prpena prepna rpepna perpna eprpna reppna erppna pperna pperna peprna epprna peprna epprna rpepna prepna reppna erppna perpna eprpna prpnea rppnea pprnea pprnea rppnea prpnea prnpea rpnpea pnrpea nprpea rnppea nrppea ppnrea ppnrea pnprea npprea pnprea npprea rpnpea prnpea rnppea nrppea pnrpea nprpea prenpa rpenpa pernpa eprnpa repnpa erpnpa prnepa rpnepa pnrepa nprepa rnpepa nrpepa penrpa epnrpa pnerpa nperpa enprpa neprpa renppa ernppa rneppa nreppa enrppa nerppa ppenra ppenra pepnra eppnra pepnra eppnra ppnera ppnera pnpera nppera pnpera nppera penpra epnpra pnepra npepra enppra neppra penpra epnpra pnepra npepra enppra neppra rpenpa prenpa repnpa erpnpa pernpa eprnpa rpnepa prnepa rnpepa nrpepa pnrepa nprepa renppa ernppa rneppa nreppa enrppa nerppa penrpa epnrpa pnerpa nperpa enprpa neprpa arpenp rapenp aprenp parenp rpaenp praenp arepnp raepnp aerpnp earpnp reapnp erapnp apernp paernp aeprnp eaprnp pearnp eparnp rpeanp preanp repanp erpanp peranp epranp arpnep rapnep aprnep parnep rpanep pranep arnpep ranpep anrpep narpep rnapep nrapep apnrep panrep anprep naprep pnarep nparep rpnaep prnaep rnpaep nrpaep pnraep npraep arenpp raenpp aernpp earnpp reanpp eranpp arnepp ranepp anrepp narepp rnaepp nraepp aenrpp eanrpp anerpp naerpp enarpp nearpp renapp ernapp rneapp nreapp enrapp nerapp apenrp paenrp aepnrp eapnrp peanrp epanrp apnerp panerp anperp naperp pnaerp npaerp aenprp eanprp aneprp naeprp enaprp neaprp penarp epnarp pnearp npearp enparp neparp rpenap prenap repnap erpnap pernap eprnap rpneap prneap rnpeap nrpeap pnreap npreap renpap ernpap rnepap nrepap enrpap nerpap penrap epnrap pnerap nperap enprap neprap
Note: these 'words' (valid or invalid) are all the permutations of the word parpen. These words are obtained by scrambling the letters in parpen.